Glass feeder



Dec. 20, 1927.

L. D. soUBlER GLAS S FEEDER Original Filed April 14. 1923 4 Sheets-Sheet l INVENTOR Dec. 20, 1927.

1,653,478 L. D. souBlER GLASS FEEDER Dec. 20, 1927. 1,653,478

L. D. souBlER GLASS FEEDER original med Apr-11 14. 1925 44 sheets-sheet 4 53 {IEI 22 llllllll.

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UNITED STATES PATENT OFFICE.

LEONARD D. SOUBIER, OF TOLEDO, OHIO, ASSIGNOR TO THE OWENS BOTTLE COMPANY,

OF TOLEDO, OHIO, .A CORPORATION OF OHIO.

GLASS FEEDER.

Application filed April 14, 1923, Serial No. 631,983.

My invention relates to apparatus for feeding molten glass from a container and delivering it in individual masses or charges adapted for the molds of a glass forming machine. More particularly, the invention relates to the type of glass feeder in which the glass is delivered from a tank or container and enters a discharging receptacle having an outlet opening in the bottom thereof, the flow of glass through said out-- let being regulated and controlled by a vertically reciprocating plunger over the outlet.

Among the objects of my invention are, to provide improved means for accurately contro-lling the flow of glass into the dis charging receptacle, and so directing said flow that the glass issuing from the outlet will be free from cold streaks or unevenness in temperature.

Other objects of the invention will appear hereinafter.

ln the accompanying drawings:

Figure 1 is a sectional elevation of an apparatus embodying one form of my invention.

Figure 2 is a sectie-nal plan at the line lI-II on Figure l.

Figure 3 is a fragmentary view of a portion of the apparatus shown in Figure l, but with the operating parts in a different position.

Figures et and 5 illustrate a modification. Figure L1 is a section at the line IVMIV on Figure 5. Figure 5 is a vert :al section.

Figure (S .is afront view of the cams and associated mechanism for operating the plunger and the transfer device.

Figure 'i is a vertical section of a further modification.

Referring to the form of invention shown in Figures 1, 2 and 3, the molten glass 'i' is contained in a refining tank or receptacle S from which it flows in a continuous stream 9 over a lip or dam 10 in the front wall ot' the furnace. The rate at which the glass flows is controlled by a gate 11 adjustable up and down to regulate the size of the outlet through which t-he glass issues. The stream of glass 9 falls onto a transfer device 12 herein shown as a shallow receptacle or basin forming a temporary holder for the glass. This holder serves as an accumulator and measuring device.

The glass is discharged from the basin 12 into a discharging receptacle 13 having an Renewed July 28, 1926.

outlet opening le in the bottom thereof. The bottom of the receptacle 13 is formed by a bushing 15 of lire clay or other refractory material supported in a cast iron ring 16 connected by a pivot 1.7 to a metal casing 18 which surrounds. and encloses the receptacle 13. A clay plug or plunger 1t) projects vertically downward through an opening 2t) in the casing 1S into the glass in the receptacle 18. The plug 19 is periodically rcciprocated vertically by means of a cam 21 on a continuously rotating drive shaft The cam engages a roll 23 on a lever 2st pivoted at to a stationary frame 26, said lever having an adjustable conne@ tion through a stem 2T and yolie al with the plug.

rlhe basin 12 is periodically rocked up and down. For this purpose it is provided with lugs or trunnions 28 (Fig. 2), one of which carries or is journalled on a stud shaft 2S), and the other of which is fixed to a rock shaft 30 carrying a rock arm 31 connected through a vertical rod 32 to an operating lever The latter swings about a fulcrum Set and is operated by a cam 35 keyed to the drive shaft 22. It will be seen that with this construction, thel transfer receptacle is swung up and down periodically in synchronism with the movements of the plunger 19. Either or both the cams 21 and 35 may be rotatively adjusted on the shaft 22 to properly time the movements of the cup 12 relatively to those of the plunger, and also to synchronize the operation of the feeder with the movements of the molds to which the charges of glass are delivered.

The operation of the device shown in Figures 1, and 3 is as follows:

As shown in Figure 1, the plunger 19 has just been lifted to its highest position where it is held stationary during a half revolution, more or less, of the cam 21, depending upon the length of the dwell por'- tion 3G. The receptacle 12 has also been lifted by its eam 35, permitting the glass which had accumulated thereon to run into the receptacle 13. There is now a substantial head of glass over the outlet 14, so that a downward movement of glass through the outlet is established. The transferreceptaele 12 is only held in its lifted position long enough to discharge the` accumulated supply of glass therein and then moves downward to its receiving position (Fig.

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After the dwell portion 36 ot the cam 21 passes beyond the roll 23, the plunger` moves downward, thereby assisting in e2;- pelling the glass and controlling the shape of the gob which is suspended trom the walls oit' the orifice 14. litter the plunger moves downward, a pair of cutters 3i' operate to sever the suspended gob. rllhese cutters may be operated by any well known or approved mechanism, the operation being` synchronized with the movements of the plunger.

fitter tl e gob is severed, the ilungrr is again lifted and the transfer cup 12 is also tilted up to discharge the glass which has accumulated during` the plunger operations, thereby bringing the parts again to the lligure 1 position. lt will be uncerstood that the relative movements and tin'iingg ol the parts may be varied to meet varying conditions found in practice, and to regulate the size and shape oli the gobs.

Figures l and 5 show a modiiication in which a stationary transfer device l0 is interposed between the tank 8 and the disA charging receptacle 13. This device. comprises a basin or cavity IH11 into' which the stream oit glass 9 Hows, said basin being` eX- tended to torni downwardly inclined channels 4t2 on opposite sides of the plunger, through which channels the glass is directed into the receptacle 13 at points forward et the plunger. By this arrangrement the hot glass is carried to the itront oli the dischargingrcceptacle 13, thereby preiv'entingij an accumulation oit cold ,class or dog` metal `in 'Eront ot the plunger. in this way a unitorm temperature ot the issuing` is maintained, cold streaks in the issued glass avoided, kand a symmetrical iiow oi1 glass through the outlet secured.

Burners i3 may be provided :tor maintaini ing' a high 'temperature`within the casing surroumline` the discharge receptacle 13 and for regulatingand controlling 'the temperature orf the issuing' glass. The plunge E) may7 be support-ed and guided in its up and vdown movements. as shown in .Figure l, by a yolr-e la fixed to 'the plunger and havin e' sliding' connections with standards 415 carried by brackets 46 fixed to the casing,` 18.

Figure 7 illustrates a form ot the invention wherein the husbandina` cup 1Q and the basin 41 are combined in a single structure. With this construction7 the cup 12 discharges intothe basin 41 instead ot directly7 into the discharging receptacle 18. the cup 12 beine; operated as described in connection with Figure 1. The basin l1 discharges through its channels 4t2 into the receptacle 13, the same as described in connection with Figures et and 5;

Modilications may be resorted to within the spirit and scope ot my invention.

Nhat I claim is:

1. The combination of a container for Lesser@ molten glass, a stationary dischargg'ingv receptacle havingl an outlet oriiice, and a transter receptacle between said container and discharging;- receptacle7 said container having an outlet through which molten glass issues in a continuous stream into said transiter receptacle a power element, and means automatically operated thereby tor periodically actuating the transfer receptacl to discharge the glass into said dischargine receptacle.

2. 'lhe combinatimi ot a container ttor ptacle havi rei'eptacle eharggin re ot a` container tor molten glass having an overflow (mtl-et.

through which the glass issues in a. continuous stream, a discharging receptacle havinga discharge opening in 'the bottom thereof, a transiter receptacle arranged lo receive said stream oif' glass means tor cansino' a pei-italic discharge irom the transt r receptacle into said (.lischargring receptacle and cinitrolhnr' means operatin periodically in synchronism with the operations oi said tiret mentioned means for controllingv the discharge trom said discharging' receptacle.

4. The combination ot a container iior molten glass having an Voveriiow outlet through which the glass is is in a continuous stream, a dischar5.1me` receptacle lnivinnl a discharge openincY in Idie bottoni thereot, a transfer receptacle arranged to receive said stream ot glass? means tor causing;v a periodicI di arge trom the transrer receptacle into said discharging receptacle and controlliiur means operating; periodicaily-in f'ij-.'ncln'onisni with the operations olvl said lirst inmitioned means -tor controlling the discharge 'troni said dischar-ridel receptacle. said transter receptacle beine; arranged beneath the outlet in said container' and altrove the level ot the glass in the discharging receptacle.

5. 'lhe combination et a container for molten glass, astationary receptacle having an outlet opening7 a. measuringcup into which glass flows from the container, a! mechanically operated driving; element, and means operated thereby tor periodically actuating said cup at predetermined time intervals to deliver glass 'thereilrom to said receptacle.

(i. The combination ol? acontainer for molten glass, a receptacle having;- an outlet opening` in :fixed position, a measuriug` cup into which glass flows from the container,

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means for periodically actuating said cup to deliver glass therefrom to said receptacle, a regulating device operating on the glass within the said receptacle to control the discharge oi: glass through said outlet, and means to periodically actuate the regulating device in synchronism with the movements et the measuring cup.

7. The combination ot a container for molten glass having an outlet through which the glass issues in a substantially constant stream, a stationary discharging receptacle, a cup positioned to receive said stream and in which the glass is temporarily accumulated, a power operated driving element, and moans operated thereby to periodically actu-ate said cup at regular intervals to discharge its contents into said receptacle.

8. The combination ot a container for molten glass having an outlet through which the glass issues in a substantially constant stream, a discharging receptacle, a cup positioned to receive said stream and in which the glass is temporarily accumulated, means to periodically actuate said cup to discharge its contents into said receptacle, the latter having an outlet opening in the bottom thereo'l', and a regulator operating periodically in the receptacle in timed relation to the movements ot the cup to control the discharge ot glass through said outlet.

i). rllie combination of a container for molten glass trom which the glass issues in a constant stream, a discharging receptacle having` an outlet opening in the b-ottom thereof, a cup in position to receive said stream, a power element, and means automatically operated thereby to periodically tilt the cup to discharge the accumulated glass therein into said receptacle.

il). rlhe combination ot a container for molten glass t'rom which the glass issues in a continuous stream ot substantially constant volume, a dachargin'g receptacle having an outlet opening remaining in a fixed position, a cup positioned to receive said stream, a power clement,l and means auton'iatically operated thereby to periodically tilt said cup into position to discharge its contents into said receptacle.

ll. rllhe combination, of a container for molten glass having an outlet through which the glass issues in a stream of substantially constant volume, a discharging receptacle having an outlet opening in the bottom thereorthrough which the glass is discharged, and automatic means for periodically varying the head of glass in said receptacle over the discharge opening, said ieans comprising an accumulator to receive said stream ol glass, a power element, and mechanism actuated by said power element tor periodically tilting the accumulator into position to discharge the glass into said receptacle.

l2. The combination of a container for molten glass from which the glass flows in a constant stream, a discharging receptacle located externally of said container and having an outlet opening in the bottom thereof, a plunger projecting into the glass over said opening, a cup in position to receive said stream oitl glass, means to periodically tilt the cup to discharge the glass, and means providing a channel through which the glass dischz'irged from the cup is directed past the plunger and discharged into said receptacle.

13. The combination ot a container for molten glass 'trom which the glass flows in a constant stream, a discharging receptacle located externally ot said container and having an outlet opening in the bottom thereof, a plunger projecting into the glass over said opening, a cup in position to receive said stream ol glass, means to periodically tilt the cup to discharge the glass, and means providing a channel in position to receive the glass discharged from said cup, said channel comprising downwardly and forwardly inclined branches through which the glass flows on opposite sides of the plunger and is delivered to said discharging receptacle.

14. The combination of a furnace tank to contain molten glass, a discharging receptacle located externally ot' the tank and pro` vided with an outlet opening in the bottom thereof, a regulator projecting into the glassI above said opening, means to periodically rwiprocate said regulator, and means including separate channels arranged to direct a Vflow ol' glass from the tank to opposite sides oit and past said regulator before it enters said receptacle.

Signed at Toledo, in the county of Lucas and State ot Ohio, this 10th day of April, 1923.

LEONARD D. SOU BIER. 

